Lange, David C. (David Christoph) · New York, John Wiley & sons, inc.; [etc., etc.] · leaf 15
thussolving graphically many geometrical problems involvingthree dimensions. (Figs. 1, 2, and 3.) NOTATION ThefoUowing notation is used: H Horizontal Coordinate Plane, V Vertical Coordinate Plane, P Profile Coordinate Plane, Q, P, R, S, etc., any other planes. HQ, HP, etc.. Horizontal Traces of any… … Vertical Coordinate Horizontal Coordinate 16 \ch Fig. 3 Ii«. 4 G Fig. 5 POINTS, LINES AND PLANES 3 a!, h^, etc., Horizontal Projections of any points, a^, b, etc., Profile-Projections of any points,A, B, C, D, etc., any lines in space, A, B, etc.. Horizontal Projections of any lines, A, B, etc..…
Shades and shadows · Geometry, Descriptive
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